Google reviewers rate Rex Environmental 5 out of 5 stars based on 672 reviews, with the owner replying to 19% of them. Customers frequently praise the company for punctuality, professional conduct, and clear communication regarding asbestos and hazardous materials testing. Many note that staff are helpful in explaining regulatory frameworks and providing detailed reports. However, some lower-rated reviews criticize the company for poor organization, missed appointments, and billing disputes involving unauthorized work or transaction fees.
Data from Google, last updated October 25, 2026.
Reviews from Google, shown as published (original wording, unedited).
I had great experience working with Rex Environmental! They provide excellent reports and have a quick response time. Betty is especially wonderful—she’s friendly, helpful, and great to work with. Their professionalism and excellent customer service make the whole process smooth and easy. If you’re looking for hazardous materials testing, I highly recommend Rex Environmental for their reliable, efficient, and professional service
I work regularly with Betty and the team at REX for asbestos consulting, and they’ve been great to work with. I appreciate their support and would recommend REX to anyone looking for an asbestos consulting firm.
I had air testing done at my house and Liam Posey was great! Very professional.
Rex Rocks! We have been using Rex Environmental’s services for years. Betty, Josue & Tony are true leaders that make it happen. In our business we expect great service and communication and that is exactly what the entire Rex Environmental team delivers. I would highly recommend Rex!
Christina was a huge help on my rental property in Denver. She provided me all the resources I needed and where to go for assistance with regulatory framework. Highly recommend Rex Environmental.
Rex is great. Especially Tony! He helped us recently with a customer that had a leak in their basement and did a fantastic job. Highly professional and fairly priced!
I have been working with and using Rex environmental for over 3 years now and have had zero issues. The company is quick, fast and communicates very well with myself and our customers. If you are looking for an awesome company for your environmental services, this is definitely the company to use 😎
I have known Tony for quite some time and anytime we are in need there is nobody else we trust. His patience and thoroughness is why we always use him. I couldn’t recommend him or Rex Environmental enough!
It has been a pleasure working with Tony on our project. He has been very professional throughout the whole process and just eased our minds during the testing process. Would absolutely recommend them to anyone that is concerned about their home environment.
Christina was great and very knowledgeable with exactly what I needed to get done.